2009 Confidence Interval Detail
174/Nacogdoches
174-908/Central Heights ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 9,394,390 | 1.1731 | 8,008,175 | 7 | 253 | .019637602 |
| A | 10,143,740 | 0.9800 | 10,350,755 | 7 | 142 | .010679265 |
| A | 10,060,780 | 0.9339 | 10,772,866 | 8 | 87 | .011940587 |
| A | 12,617,800 | 0.9524 | 13,248,425 | 9 | 58 | .003186001 |
| D3 | 43,877,060 | 0.9892 | 44,356,106 | 21 | 1,699 | .017480353 |
| G1 | 7,027,548 | 1.1631 | 6,042,084 | 7 | 50 | .085014686 |
| G1 | 7,535,880 | 1.0001 | 7,535,126 | 5 | 15 | .007132117 |
| G1 | 7,048,370 | 0.9847 | 7,157,886 | 4 | 7 | .003186006 |
| G1 | 6,371,700 | 1.0368 | 6,145,544 | 3 | 4 | .012939595 |
| Random Totals: | 114,077,268 | 113,616,967 | 71 | 2,315 | ||
| Catg D1 Exception Values: | 7,757,350 | 4,738,456 | ||||
| Total Test Values (4): | 121,834,618 | 118,355,423 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 5,917,771 |
Confidence Interval Values (5)
| State Lower Limit: | 112,437,652 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 121,834,618 | (Within Confidence Interval) |
| State Upper Limit: | 124,273,194 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 116,621,655 | (See ISD Summary Worksheet) |
Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories